blocks|key|913663|text|我喜欢将以下内容附加到config/boot.rb|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|913664|require+'rails/commands/server'

module+Rails
++class+Server
++++alias+:default_options_alias+:default_options
++++def+default_options
++++++default_options_alias.merge!(:Port+=>+3333)
++++end++++
++end
end|code-block|syntax|javascript|913665|entityMap^0|B|E|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

I like to append the following to <code>config/boot.rb</code>:

<pre><code>require 'rails/commands/server'

module Rails
 class Server
 alias :default_options_alias :default_options
 def default_options
 default_options_alias.merge!(:Port =&gt; 3333)
 end 
 end
end
</code></pre>

blocks|key|1128587|text|再给你一个主意。创建一个使用-p调用rails服务器的rake任务。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1128588|task+"start"+=>+:environment+do
++system+'rails+server+-p+3001'
end|code-block|syntax|javascript|1128589|然后调用rake+start而不是rails+server|offset|length|style|CODE|1128590|entityMap^0|0|0|4|A|H|C|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@$I|R|J|S|K|L]|$I|T|J|U|K|L]]|9|@]|A|$]]|$1|M|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|N|$]]

One more idea for you. Create a rake task that calls rails server with the -p. 

<pre><code>task "start" =&gt; :environment do
 system 'rails server -p 3001'
end
</code></pre>

then call <code>rake start</code> instead of <code>rails server</code>

blocks|key|913851|text|结合前面的两个答案，对于Rails+4.0.4+(假设是更高版本)，这在config/boot.rb的末尾就足够了|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|913852|require+'rails/commands/server'

module+Rails
++class+Server
++++def+default_options
++++++super.merge({Port:+10524})
++++end
++end
end|code-block|syntax|javascript|913853|entityMap^0|10|E|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

Combining two previous answers, for Rails 4.0.4 (and up, presumably), this suffices at the end of <code>config/boot.rb</code>:

<pre><code>require 'rails/commands/server'

module Rails
 class Server
 def default_options
 super.merge({Port: 10524})
 end
 end
end
</code></pre>

blocks|key|913917|text|我们使用Puma作为web服务器，使用dotenv来设置开发中的环境变量。这意味着我可以为PORT设置一个环境变量，并在Puma配置中引用它。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|913918|#+.env
PORT=10524


#+config/puma.rb
port+ENV['PORT']|code-block|syntax|javascript|913919|然而，你必须使用foreman+start而不是rails+s来启动你的应用，否则puma配置不能被正确读取。|913920|我喜欢这种方法，因为在开发和生产中，配置的工作方式相同，如果需要，只需更改端口值即可。|913921|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/bkeepers/dotenv^0|19|4|J|6|0|0|0|8|D|O|7|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]]|D|@$9|Z|A|10|1|11]]|E|$]]|$1|F|3|G|5|H|7|12|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|13|8|@$9|14|A|15|B|C]|$9|16|A|17|B|C]]|D|@]|E|$]]|$1|M|3|N|5|6|7|18|8|@]|D|@]|E|$]]|$1|O|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|P|$Q|$5|R|S|T|E|$U|V]]]]

We're using Puma as a web server, and <a href="https://github.com/bkeepers/dotenv" rel="noreferrer">dotenv</a> to set environment variables in development. This means I can set an environment variable for <code>PORT</code>, and reference it in the Puma config.

<pre><code># .env
PORT=10524


# config/puma.rb
port ENV['PORT']
</code></pre>

However, you'll have to start your app with <code>foreman start</code> instead of <code>rails s</code>, otherwise the puma config doesn't get read properly.

I like this approach because the configuration works the same way in development and production, you just change the value of the port if necessary.

blocks|key|913805|text|Rails+2.3的解决方案-+script/server|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|913806|#!/usr/bin/env+ruby
require+'rack/handler'
module+Rack::Handler
++class+<<+WEBrick
++++alias_method+:old_run,+:run
++end

++class+WEBrick
++++def+self.run(app,+options={})
++++++options[:Port]+=+3010+if+options[:Port]+==+3000
++++++old_run(app,+options)
++++end
++end
end

require+File.dirname(__FILE__)+%2B+'/../config/boot'
require+'commands/server'|code-block|syntax|javascript|913807|entityMap^0|G|D|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

Solution for Rails 2.3 - <code>script/server</code>:

<pre><code>#!/usr/bin/env ruby
require 'rack/handler'
module Rack::Handler
 class &lt;&lt; WEBrick
 alias_method :old_run, :run
 end

 class WEBrick
 def self.run(app, options={})
 options[:Port] = 3010 if options[:Port] == 3000
 old_run(app, options)
 end
 end
end

require File.dirname(__FILE__) + '/../config/boot'
require 'commands/server'
</code></pre>

blocks|key|1128823|text|您可以安装$+gem+install+foreman，并使用foreman启动Procfile中定义的服务器，如下所示：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1128824|web:+bundle+exec+rails+-p+10524|code-block|syntax|javascript|1128825|您可以在此处查看foreman+gem文档：https://github.com/ddollar/foreman以了解更多信息|1128826|这种方法的好处不仅是您可以轻松地在配置中设置/更改端口，而且它不需要添加太多代码，而且您还可以在foreman将为您运行的Procfile中添加不同的步骤，这样您就不必在每次启动应用程序时都执行这些步骤，例如：|1128827|bundle:+bundle+install
web:+bundle+exec+rails+-p+10524
...
...|1128828|干杯|1128829|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/ddollar/foreman^0|5|L|13|8|0|0|8|7|M|Y|0|0|1P|8|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@$9|11|A|12|B|C]|$9|13|A|14|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|15|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|16|8|@$9|17|A|18|B|C]]|D|@$9|19|A|1A|1|1B]]|E|$]]|$1|M|3|N|5|6|7|1C|8|@$9|1D|A|1E|B|C]]|D|@]|E|$]]|$1|O|3|P|5|H|7|1F|8|@]|D|@]|E|$I|J]]|$1|Q|3|R|5|6|7|1G|8|@]|D|@]|E|$]]|$1|S|3|-4|5|6|7|1H|8|@]|D|@]|E|$]]]|T|$U|$5|V|W|X|E|$Y|Z]]]]

You could install <code>$ gem install foreman</code>, and use foreman to start your server as defined in your <code>Procfile</code> like: 

<pre><code>web: bundle exec rails -p 10524
</code></pre>

You can check <code>foreman</code> gem docs here: <a href="https://github.com/ddollar/foreman" rel="nofollow noreferrer">https://github.com/ddollar/foreman</a> for more info

The benefit of this approach is not only can you set/change the port in the config easily and that it doesn't require much code to be added but also you can add different steps in the <code>Procfile</code> that foreman will run for you so you don't have to go though them each time you want to start you application something like:

<pre><code>bundle: bundle install
web: bundle exec rails -p 10524
...
...
</code></pre>

Cheers

blocks|key|914011|text|如果您正在使用puma+(我在Rails+6%2B上使用它)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|914012|要更改所有环境的默认端口，请执行以下操作：|914013|"{3000}“部分设置ENV中未定义的默认端口。|914014|~/config/puma.rb

change:
++++port+ENV.fetch('PORT')+{+3000+}
for:
++++port+ENV.fetch('PORT')+{+10524+}|code-block|syntax|javascript|914015|要根据环境定义它，请使用Figaro+gem作为凭证/环境变量：|914016|~/application.yml
local_db_username:+your_user_name
​local_db_password:+your_password
PORT:+10524|914017|您可以将其应用于您自己的环境变量管理器。|914018|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|U|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|V|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|W|8|@]|9|@]|A|$]]|$1|M|3|N|5|H|7|X|8|@]|9|@]|A|$I|J]]|$1|O|3|P|5|6|7|Y|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

If you're using puma (I'm using this on Rails 6+):
To change default port for all environments:
The &quot;{3000}&quot; part sets the default port if undefined in ENV.
<pre><code>~/config/puma.rb

change:
 port ENV.fetch('PORT') { 3000 }
for:
 port ENV.fetch('PORT') { 10524 }
</code></pre>
To define it depending on the environment, using Figaro gem for credentials/environment variable:
<pre><code>~/application.yml
local_db_username: your_user_name
​local_db_password: your_password
PORT: 10524
</code></pre>
You can adapt this to you own environment variable manager.

blocks|key|913584|text|在shell中为具有指定端口的命令创建别名。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|913585|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Create alias in your shell for command with a specified port.

On my development machine, I use port 10524. So I start my server this way :

<pre><code>rails s -p 10524
</code></pre>

Is there a way to change the default port to 10524 so I wouldn't have to append the port each time I start the server?

How to change Rails 3 server default port in develoment?

服务器

在我的开发机器上，我使用端口10524。所以我这样启动我的服务器：rails s -p 10524有没有办法将默认端口更改为10524，这样我就不必在每次启动服务器时都附加端口？

问如何在开发中更改Rails3服务器的默认端口？
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问如何在开发中更改Rails3服务器的默认端口？EN

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